Princess Ayako is set to marry Kei Moriya on October 29, 2018. Kei Moriya is a board member of a Non-Governmental Organization (NGO). He supports children in developing countries. Kei Moriya and Princess Ayako met through her mother, Princess Hisako. She introduced them because she was hoping that Princess Ayako would be interested in global welfare activities. Princess Ayako will marry Kei Moriya at Meiji Jingu Shrine in Tokyo.